.layer-con
  position: fixed
  left: 0
  top: 0
  bottom: 0
  right: 0
  background: rgba(0, 0, 0, .6)
  .tip-con
    color: #000
    text-align: center
    background: #fff
    width: 560rpx
    position: absolute
    left: 50%
    margin-left: -280rpx
    margin-top: 500rpx
    .desc
      padding: 40rpx
      line-height: 1.5
    .btn
      border-top: 1px solid rgba(0, 0, 0, .1)
      height: 80rpx
      line-height: 80rpx
